import axios from "axios";
import { MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";
import router from "../router/index";

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 50000000, // request timeout
});

// request interceptor
service.interceptors.request.use(
  (config) => {
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["Authorization"] = getToken();
    }
    return config;
  },
  (error) => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  (response) => {
    const res = response.data;
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000) {
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (
        res.code === 50008 ||
        res.code === 50012 ||
        res.code === 50014 ||
        res.code == 50016
      ) {
        if (res.code === 50014) {
          const isConfirmed = window.confirm(res.message);
          if (isConfirmed) {
            // Reset token and reload page
            store.dispatch("user/resetToken").then(() => {
              location.reload();
            });
          }
        } else if (res.code == 50012) {
          window.alert("您的账号已经在别处登录！");
          store.dispatch("user/resetToken");
          // 重定向到登录页面
          router.replace({ path: "/login" });
        } else if (res.code == 50008) {
          window.alert(res.message);
          store.dispatch("user/resetToken");
          // 重定向到登录页面
          router.replace({ path: "/login" });
        } else {
          window.alert("服务器发生了重启，请重新登陆!");
          store.dispatch("user/resetToken");
          // 重定向到登录页面
          router.replace({ path: "/login" });
        }
      } else {
        Message({
          message: res.message || "Error",
          type: "error",
          duration: 5 * 1000,
        });
        return Promise.reject(new Error(res.message || "Error"));
      }
    } else {
      return res;
    }
  },
  (error) => {
    console.error("request,error in the textline 84", error);
    return Promise.reject(error);
  }
);

export default service;
